late 14c. (implied in sprinkled), frequentative of sprenge (see spring (v.)) or via Middle Dutch, Middle Low German sprenkel "spot, speck," from PIE root *(s)preg- "to jerk, scatter" (source also of Latin spargere "to scatter, sprinkle"). The meaning "rain lightly" is first recorded 1778.
It has only sprinkled, but the roads are slick
springer
Springfield
spring-house
springtime
springy
sprinkle
sprinkler
sprinkling
sprint
sprinter
sprit